description 505 knee kicker at last ? an inexpensive knee kicker with great features! the crain no. 505 knee kicker is designed to stand-up to today?s jobs! this kicker features telescoping steel tubes with five settings for length adjustment, ranging from 21 in. to 24-1/2 in. the wide head features 3 replaceable nap grips, and 16 long hardened-steel pins. pins are adjustable with nine depth settings for use with any carpet. the replaceable square bumper is foam-filled, and features a tough, seamless, neoprene cover. the no. 505 is so good, we guarantee it three years! california proposition 65 warning. specifications acme tools brand name crain acme tools part number 505h1 assembled weight (lbs) 5.0 california proposition 65 warning required yes globaltradeitemnumber (gtin) 00734995505003 package weight 6 package weight (lbs) 6 upc 734995505003