Features a patented insert with two depth positions for use according to the carpet-back thickness
Can be used with round or square-end slotted carpet blades
Patent-pending blade spindle stores plastic 10-packs and up to 20 single blades
Patent-pending blade spindle has extended tangs to prevent blades from slipping through gaps
Finger indent provides firm grip and increases knife drawing leverage while cutting; Thumb stop provides optimal pressure placement for added cutting power
