Plate Set for Sigma DP1/DP2/DP3 Merrill includes base plate + L-plate + grip. Saves $5 over purchasing the parts separately. The L-Plate is a modular solution and delivers rock solid performance for your Merrill. L-Component dovetails into the base and is secured using a single mounting screw. Grip significantly improves handling performance of this small camera. This modular approach is only available from Really Right Stuff.