1. Material chrome vanadium alloy steel.
2. Finishing chrome plated & phosphate sunk.
There jaw gear popular: 1. 021503 3 Jaw gear puller 3"x85mmx60mm. 2. 021504 3 Jaw gear puller 4"x110mmx95mm. 3. 021506 3 Jaw gear puller 6"x160mmx160mm. 4. 021508 3 Jaw gear puller 8"x210mmx235mm. 5. 021512 3 Jaw gear puller 12"x310mmx330mm.