Integrated wedge concept: friction-free, smooth, parallel wedge movememtn eliminates flange damage and spreading arm failure
Unique interlocking wedge design: no first step bending and risk of slipping out of joint
Requires very small access gap of only .24 in. (6mm)
Stepped spreader arm design: each step can spread under full load
Few moving parts means durability and low maintenance
Safety block SB1 and ratchet spanner SW22 included