The extra long reach on this tool allows for the removal of plastic and/or metal self tightening hose clamps. 640mm reach access jaws.For hose clamps with diameter range: 18mm - 54mm (11/16" - 2 1/8"). Pliers can be locked giving easier access & hands free operation. Spare cables available, please see Laser Part No. 61518 (cable) & 61519 (inner cable).