Improve accuracy and shot-to-shot consistency by torquing rifle triggerguard, plus any ring and base screws to the same reading every time. Convenient "T" handles break away at pre-set, inch/pound torque values and the back-off feature allows the screw to be removed again. Accepts all " drive attachments. Mfg: Seekonk Precision Tools SPECS: Steel, chrome plated. 3" (8.8cm) high, 4-1/8" (10cm) wide.