Shimano SM-SH51 SPD 

Compatible with PD-M959 M647 M646 M545 M424

Features:

Two Cleats with Mounting Hardware included.

Single Release MTB Pedal Cleats. used on Giro, northwave, Fizik Suplest Shoes

Non-slip;Quick install

 Specifications:

Compatible for:PD-M959 M647 M646 M545 M540 M520 M515 M505 A520 M424

Float:3 degrees

Package Included:2pcs Pedal Cleats