Elora 3/4\" Square Drive Reversible Ratchet Head The Elora 01078 is a professional quality ratchet head. It is manufactured from chrome vanadium steel hardened, tempered and chrome plated for corrosion protection. To be used in conjunction with Stock No. 01101 Tommy Bar, hole for Tommy Bar locking pin. Features: Manufactured from chrome vanadium steel hardened, tempered and chrome plated for corrosion protection Features 3/4 female coupler on top of ratchet head to take additional socket accessories Close quarter 30 tooth ratchet, length 160mm, with quick changeover lever for forward/reverse operations Specification: Manufactured to DIN 3122 Form D/ISO 3315 Specifications