Indexa: TK18 M18-20mm T-Slot Clamping Kit (58-Piece) Designed to save set up time and solve most T-Slot clamping problems. All Components are manufactured from S45C (JIS)/CK45 (DIN) grade non-alloy carbon steel. Heat treated to HRC 28 - 32 and have a manganese phosphate surface finish. Supplied in a robust plastic case. Contents: Engineers Studs (4 off each): 75, 100, 125, 150, 175 and 200mm long. Step Blocks (4 off each): 29, 45 and 98mm high. Step Clamps (2 off each): 64, 100 and 150mm long. Nuts Extension 4 off Flanged 6 off T- slot 6 off. MPN: 5036140086548 EAN: 5036140086548 TK18 M18-20mm T-Slot Clamping Kit (58-Piece) Attributes: Contents: Flanged 6 off T- Slot 6 off Engineers Studs: (4) 75mm, (4) 100mm, (4) 125mm, (4) 150mm, (4) 175mm and (4) 200mm long Step Blocks: (4) 29mm, (4) 45mm (4) 98mm high Nuts Extension 4 off Step Clamps: (2) 64mm, (2) 100mm (2) 150mm long MFR Part No.: MK-2018 Material: Non-Alloy Carbon Steel Number of Pieces: 58piece Set Size: 58piece System of