– For installation, not removal – Accomodates most slabs & retaining wall blocks – Pivoting heads provide excellent contact with split face – Tight, pinch-free, placement at the laying edge – Gripper Length: 4 in (10 cm) – Gripper Height: 11/8 in (2.8 cm) – Carrying Capacity: 130 lbs (58 kg) – Pro Tip: For proper adjustment, make sure the SlabGRABBER arms are at about 160 degrees angle prior to lifting. Small SlabGRABBER Opening Range: 4-15 mm Medium SlabGRABBER Opening Range: 10-20 mm Large SlabGRABBER Opening Range: 14-24mm