Features: * Requires no tools, drilling, or bolting to hold it securely in place * Aluminum design keeps handles from getting hot in the sun * Simple to use knob tightens by hand without scratching or damaging ladder * Cushioned bumper pads help to protect the eaves of the roof * Added hand grips for easier usage * Safety latch prevents unit from slipping off ladder * Complies with OSHA"s ladder rule * Dimensions: 5.5 in. x 7 in. x 48 in. What"s In The Box: * Qualcraft 10800 Ladder Rail Extension