Koken Square Drive 81mm Overall Model 3753SMB 3/8" (9.5mm) Push-Button Multi-Ratchet, Length,

D(mm): 30.5 T(mm): 26.4 H(mm): 15.7 L(mm): 81 Weight (g): 175 Specifications: Sodor system / 2-stage tines / 24 teeth / push-button operation