Package Include:You will receive 3 x rubber paddle + 3 x stainless steel straps +9 x bolts lock nuts + 9xself-tapping screw 1/4" Thick Rubber Paddle: The size of the 1/4" thick rubber paddle is 2"W x 5"L, which is made of styrene butadiene rubber (SBR rubber),with minimum tensile strength of 725 PSI (5 MPA). The hole stainless steel straps is approx 1 3/8" W x 3 3/4" L, 1/16" thick. Bolts Lock Nuts:The hex bolts is 5/16-18 x 1 in coarse thread with w/ 5/16-18 lock nuts(use 1/2" wrench socket to install). The package also comes 9 piece self-tapping screw, all of them made of stainless steel materials. Functions: This snow blower impeller modification kit reduces the existing "gap" between the snow blower's impeller blades and the impeller chamber wall. The smaller the gap, the higher the operating efficiency and snow throwing ability of the machine, and the less likely that the machine is to be blocked by snow. Notice: Before ordering, please ensure that the part number of the new