The threaded collar that sets and holds ride height on a 326POWER Chakuriki damper. The thick type is the deeper of the two, providing more thread engagement and a wider clamping face for high spring rates and hard use. Anodized in six colors and sold individually. Why Choose the Thick Type? More thread engagement: a deeper collar holds its setting under high spring rates Wider clamping face: spreads the load where the spring or lock ring bears against it Direct replacement: the same part 326POWER fits to the Chakuriki damper Six colors: Green, Orange, Purple, Blue, Red, Gold Specifications Part Name 326POWER Lock Seat Type Thick Material Anodized Aluminum Country of Origin Japan Quantity 1 Lock Seat Note A full car requires four. This is a 326POWER service part for the Chakuriki damper; confirm your own coilover's dimensions before ordering it for anything else.