Chrome Round 1" Handlebar Riser Clamp For Harley Kawasaki Suzuki Yamaha Honda Specification: Overall height 2 7/8", bar size 1", overall Dimension at head 2'' x 1 1/4", height from base to center of handlebar 2 ", overall diameter at base 1 1/8 ", thread at base 1/2" coarse (13 threads/inch). No installation guide color : the same like pictures show ,,,,,,,,,