Designed to drill into brick, breeze block and concrete block (max 45 Newton). Use with square hole cutter to form recesses. SDS+ drill must have 'roto stop' feature. This is for small 2kg machines only (not suitable for 5kg machines). Suitable guide hole must be pre-drilled. Dimensions: 8.00cm x 17.00cm x 8.00cm, Weight: 0.51kg.