Allen Archery Caliper Release, Large, Black/Red Padded, adjustable wrist strap for medium to large-sized wrists 360-degree rotating caliper head prevents string torque Factory tuned trigger Fits both right and left-handed archers For bows up to 80-lbs Padded, adjustable wrist strap for medium to large-sized wrists 360-degree rotating caliper head prevents string torque Factory tuned trigger Fits both right and left-handed archers For bows up to 80-lbs