diff --git a/src/entity/item/esweapon.rs b/src/entity/item/esweapon.rs
new file mode 100644
index 0000000..be38a8a
--- /dev/null
+++ b/src/entity/item/esweapon.rs
@@ -0,0 +1,221 @@
+// TODO: actually use this
+pub enum SrankError {
+    InvalidSrankType,
+    InvalidSrankSpecial,
+    InvalidSrankName,
+}
+
+pub enum SrankType {
+    Saber = 0,
+    Sword,
+    Blade,
+    Partisan,
+    Slicer,
+    Gun,
+    Rifle,
+    Mechgun,
+    Shot,
+    Can,
+    Rod,
+    Wand,
+    Twin,
+    Claw,
+    Bazooka,
+    Needle,
+    Scythe,
+    Hammer,
+    Moon,
+    Psychogun,
+    Punch,
+    Windmill,
+    Harisen,
+    Katana,
+    JCutter,
+    Swords,
+    Launcher,
+    Cards,
+    Knuckle,
+    Axe,
+}
+
+impl SrankType {
+    pub fn to_value(&self) -> u8 {
+        *self as u8
+    }
+
+    pub fn from_value(value: u8) -> Result<SrankType, SRankError>  {
+        match value {
+            0 => Ok(SrankType::Saber),
+            1 => Ok(SrankType::Sword),
+            2 => Ok(SrankType::Blade),
+            3 => Ok(SrankType::Partisan),
+            4 => Ok(SrankType::Slicer),
+            5 => Ok(SrankType::Gun),
+            6 => Ok(SrankType::Rifle),
+            7 => Ok(SrankType::Mechgun),
+            8 => Ok(SrankType::Shot),
+            9 => Ok(SrankType::Can),
+            10 => Ok(SrankType::Rod),
+            11 => Ok(SrankType::Wand),
+            12 => Ok(SrankType::Twin),
+            13 => Ok(SrankType::Claw),
+            14 => Ok(SrankType::Bazooka),
+            15 => Ok(SrankType::Needle),
+            16 => Ok(SrankType::Scythe),
+            17 => Ok(SrankType::Hammer),
+            18 => Ok(SrankType::Moon),
+            19 => Ok(SrankType::Psychogun),
+            20 => Ok(SrankType::Punch),
+            21 => Ok(SrankType::Windmill),
+            22 => Ok(SrankType::Harisen),
+            23 => Ok(SrankType::Katana),
+            24 => Ok(SrankType::JCutter),
+            25 => Ok(SrankType::Swords),
+            26 => Ok(SrankType::Launcher),
+            27 => Ok(SrankType::Cards),
+            28 => Ok(SrankType::Knuckle),
+            29 => Ok(SrankType::Axe),
+            _ => Err(SrankError::InvalidSrankype),
+        }
+    }
+}
+
+pub enum SrankSpecial {
+    Jellen = 0,
+    Zalure,
+    HPRegen,
+    TPRegen,
+    Burning,
+    Tempest,
+    Blizzard,
+    Arrest,
+    Chaos,
+    Hell,
+    Spirit,
+    Berserk,
+    Demons,
+    Gush,
+    Geist,
+    Kings,
+}
+
+impl SrankSpecial {
+    pub fn to_value(&self) -> u8 {
+        *self as u8
+    }
+
+    pub fn from_value(value: u8) -> Result<SrankSpecial, SrankError> {
+        match value{
+            0 => Ok(SrankSpecial::Jellen),
+            1 => Ok(SrankSpecial::Zalure),
+            2 => Ok(SrankSpecial::HPRegen),
+            3 => Ok(SrankSpecial::TPRegen),
+            4 => Ok(SrankSpecial::Burning),
+            5 => Ok(SrankSpecial::Tempest),
+            6 => Ok(SrankSpecial::Blizzard),
+            7 => Ok(SrankSpecial::Arrest),
+            8 => Ok(SrankSpecial::Chaos),
+            9 => Ok(SrankSpecial::Hell),
+            10 => Ok(SrankSpecial::Spirit),
+            11 => Ok(SrankSpecial::Berserk),
+            12 => Ok(SrankSpecial::Demons),
+            13 => Ok(SrankSpecial::Gush),
+            14 => Ok(SrankSpecial::Geist),
+            15 => Ok(SrankSpecial::Kings),
+            _ => Err(SrankError::InvalidSrankSpecial),
+        }
+    }
+}
+
+pub struct SRankWeapon {
+    pub type: SrankType,
+    pub special: Option<SrankSpecial>,
+    pub name: String,
+    pub grind: u8,
+}
+
+impl SRankWeapon {
+    pub fn new(t: SrankType) -> SRankWeapon {
+        SRankWeapon {
+            type: t,
+            special: None,
+            name: "".to_owned(),
+            grind: 0,
+        }
+    }
+
+    pub fn bytes_from_name(&self) -> [u8; 6] {
+        let mut result = [0u16; 3];
+        let mut letters = [0u8; 8];
+        letters[0..self.name.len()].clone_from_slice(&self.name.to_uppercase().clone().into_bytes());
+        
+        for letter in letters.iter_mut() {
+            *letter = *letter & 0x3F;
+        }
+        
+        result[0] = 0x8000 + (0x20 * letters[0] as u16) + (letters[1] as u16);
+        result[1] = 0x8000 + (0x400 * letters[2] as u16) + (0x20 * letters[3] as u16) + (letters[4] as u16);
+        result[2] = 0x8000 + (0x400 * letters[5] as u16) + (0x20 * letters[6] as u16) + (letters[7] as u16);
+        
+        [result[0].to_be_bytes()[0], result[0].to_be_bytes()[1],
+        result[1].to_be_bytes()[0], result[1].to_be_bytes()[1],
+        result[2].to_be_bytes()[0], result[2].to_be_bytes()[1]]
+    }
+
+    // TODO: error handling, ensure name is never more than 8
+    pub fn name_from_bytes(namebytes: &[u8]) -> String {
+        let mut name: Vec<u8> = Vec::with_capacity(8);
+        name.extend_from_slice(namebytes);
+        
+        for _ in name.len()..name.capacity() {
+            name.push(0);
+        }
+
+        let buf: [u16; 3] = [
+            u16::from_be_bytes([namebytes[0], namebytes[1]]),
+            u16::from_be_bytes([namebytes[2], namebytes[3]]),
+            u16::from_be_bytes([namebytes[4], namebytes[5]]),
+        ];
+
+        name[0] = ((buf[0] - 0x8000) / 0x20 + 0x40) as u8;
+        name[1] = ((buf[0] - 0x8000) % 0x20 + 0x40) as u8;
+
+        name[2] = ((buf[1] - 0x8000) / 0x400 + 0x40) as u8;
+        name[3] = (((buf[1] - 0x8000) % 0x400) / 0x20 + 0x40) as u8;
+        name[4] = (((buf[1] - 0x8000) % 0x400) % 0x20 + 0x40) as u8;
+
+        name[5] = ((buf[2] - 0x8000) / 0x400 + 0x40) as u8;
+        name[6] = (((buf[2] - 0x8000) % 0x400) / 0x20 + 0x40) as u8;
+        name[7] = (((buf[2] - 0x8000) % 0x400) % 0x20 + 0x40) as u8;
+
+        name.retain(|&x| x > 0x40 && x < 0x5B);
+
+        String::from_utf8(name).unwrap()
+    }
+
+    pub fn as_bytes(&self) -> [u8; 16] {
+        let mut result = [0u8; 16];
+        result[1] = 0x70 + self.type.to_value();
+        result[2] = self.special.to_value();
+        result[3] = self.grind;
+        //result[4] = tekked/untekked flag
+        result[6..12].clone_from_slice(self.name.bytes_from_name());
+        result
+    }
+
+    // TODO: return Result<SRankWeapon, SRankError>
+    pub fn from_bytes(bytes: [u8; 16]) -> SRankWeapon {
+        let type = bytes[1];
+        let special = bytes[2];
+        let grind = bytes[3];
+        let name = SRankWeapon::name_from_bytes(bytes[6..12]);
+
+        SRankWeapon {
+            type: type,
+            special: special,
+            grind: grind,
+            name: name,
+        }
+    }
+}
+