Topex drill impact mechanism platform 54 * 30 d20 with a 7 mm bushing

Platform (support kick mechanism) chipper with ratchet d21 mm with 16 steps, for replacement in Topex impact electric drill, size 54 * 30 mm, brass bushing 7 mm inside, inner diameter 20 mm

Ratchet diameter: 21 mm
Platform size: 54 x 30 mm
Hole size: 20 x 7 mm