ACCU-TAC Spike Feet G2 Black Small. They provide aggressive traction on dirt or any soft surfaces. They are CNC machined and black oxide treated. The replacement spikes have a simple screw on design that allows you to quickly change from rubber feet to steel spikes in seconds Specifications for ACCU-TAC Spike Feet G2: Manufacturer: ACCU-TAC Color: Flat Black Weight: 1.7 oz Finish: Black Oxide Fabric/Material: Steel Hardware Aluminum Alloy Quantity: 1 Country of Origin: USA Features of ACCU-TAC Spike Feet G2 G2 Spiked feet are for the following Accu-Tac bipods: HD-50 FC-10 FC-4 G2 FC-5 G2 WB-5 WB-4 PC-5 PC-4 LR-10 LR-10 QD LR-10 G2 SR-5 G2 BR-4 G2 all Arca model bipods Package Contents: ACCU-TAC Spike Feet G2 ACCU-TAC LRS-0200: Spike Feet G2 Black Small