Product Description: The Sidewinder rotary cutter blade bolt kit is made to exact OEM specifications to fit several models Sidewinder rotary cutter with blades 3/8" think. This bolt kit contains 1 each: 1"-14 x 3 bolt 16196SW, 3/8" Spacer 16197SW, and 1" - 14 Hex jam nut 7A5491. Please check specs before ordering.