The ISC Gator KH453 screwgate carabiner makes an ideal tool connector. The screw barrel, ergonomic shape and compact size mean the ISC Gator easy to operate with one hand (usually behind your back when attached to a tool lanyard). The gate has a sturdy spring which helps reduce the chance of accidental opening. Blind nose to reduce snagging. Made in Wales.The ISC Gator KH453 screwgate carabiner makes an ideal tool connector. The screw barrel, ergonomic shape and compact size mean the ISC Gator easy to operate with one hand (usually behind your back when attached to a tool lanyard). The gate has a sturdy spring which helps reduce the chance of accidental opening. Blind nose to reduce snagging. Made in Wales. NOTE: be careful when using screw gates attached to a chainsaw; the saw vibration can loosen the gate (dependent on carabiner orientation).