Sealey Single Ear O-Clip 17.8-21mm - Pack of 25 Features: SS301A Grade stainless steel single ear O-clips. Manufactured to DIN 1.4301. Suitable for use on various types of hydraulic hose. Technical Details: • Single ear O-clip. • Manufactured to DIN 1.4301. • SS301A Grade stainless steel. • Suitable for use on hydraulic hose. • Model No. OCSE1720 • Model No. OCSE1720 Additional Information: • Single ear O-clip. • Manufactured to DIN 1.4301. • SS301A Grade stainless steel. • Suitable for use on hydraulic hose.