Description: Heavy duty kayak cleat seat dock anchor mount base, universal fit Installation needs 25mm long 6mm thread screws, not included in the package High strength, strong, durable and long lasting Easy to install and convenient to use Great for inflatable boat, kayak, canoe, river raft, dinghy, fishing boat, marine boat and so on Specification: Material: Plastic Color: Grey Base Size ( L x W x H): Approx. 31 x 16 x 6.5 cm/12.2 x 6.3 x 2.6 inch Package Includes: 1 Piece Kayak Cleat Seat Dock Anchor Note: Not including mounting hardware. Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!