1. Material: steel2. Color: black (knurled) + brown (wheel)2. Knurled wheel graphics: 0.8mm / 1.0mm1.2mm / 1.5mm / 1.6mm / 1.8mm / 2.0mm4. Knurled wheel diameter: about 20 mm5. Twill direction of two rollers: one is positive and the other is negative6. Equipped with fine, medium and coarse diamond knurling7. Machined metal knob or other non-slip working on the appearance of rolling pattern8. Rigidity, abrasion resistance, resistance to disassembly and destruction9. Anti-rust and high processing efficiency10. High strength and hardness, durable11. For processing the surface pattern of the workpiece12. Ideal for replacing damaged linear knurled wheelsSpecification: Package Weight One Package Weight 0.43kgs / 0.95lb One Package Size 12cm * 6cm * 3cm / 4.72inch * 2.36inch * 1.18inch Qty per Carton 68 Carton Weight 30.00kgs / 66.14lb Carton Size 49cm * 24cm * 12cm / 19.29inch * 9.45inch * 4.72inch Loading Container 20GP: 1889 cartons * 68 pcs = 128452 pcs40HQ: 4386 cartons * 68 pcs = 298248 pcs